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The daily temperature variation of the golden Gate bridge Ilcan be in access of 20C. The bridge os approximately 2 km long and Is made of steel. What is approximate change of length with temprature variation?

The daily temperature variation of the golden Gate bridge Ilcan be in access of 20C. The bridge os approximately 2 km long and Is made of steel.
What is approximate change of length with temprature variation?
 

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Grade:12th pass

1 Answers

Harshit Singh
askIITians Faculty 5965 Points
11 months ago
Dear Student

Thermal expansion coefficients for steel = 12 x 10-6per kelvin
Since , change of temperature is same in celcius and kelvin
change in length = Length xThermal expansion coefficient x change in temperature
So, Linear change =12 x 10-6x 20 x 2000


Thanks

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